Date:         Tue, 2 May 2023 14:14:34 -0700
Reply-To:     Dan N <dn92610@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dan N <dn92610@GMAIL.COM>
Subject:      Re: rotor & cap lots of carbon at low miles
Comments: To: Spencer Allen <soxndubs1951@gmail.com>
In-Reply-To:  <CAHtOfz8Q0iaPd8yaKMyYC2StA+eZaDxMp7ETMxuj3f0-Dh=3ew@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

I'd check the spark plugs...

On Tue, May 2, 2023 at 2:09 PM Spencer Allen <soxndubs1951@gmail.com> wrote:

> I tuned up my 85 westy 1.9 about 2K ago and it ran fine until just before I
> stored it last fall but now it's running a bit rough and I'll say rich from
> the smell of exhaust. I pulled the cap and saw the cap and rotor had a
> heavy layer of carbon build up. I have new ones coming from BD but need to
> correct the problem before installing but can't figure out what is causing
> the build up but suspect it's been heading to this since the tune. The
> wires are not arching but I'm wondering if bad timing or O2 sensor would
> cause this. Anyone have a list of probables?
> Spencer
>